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image: Support signing of images

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Add support for signing images using a new signature node. The process
is handled by fdt_add_verification_data() which now takes parameters to
provide the keys and related information.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2013-06-13 15:10:01 -07:00 • committed by Tom Rini
parent 3e569a6b1e
commit 56518e7104
6 changed files with 478 additions and 38 deletions
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42
doc/uImage.FIT/sign-images.its Normal file
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@ -0,0 +1,42 @@
/dts-v1/;
/ {
description = "Chrome OS kernel image with one or more FDT blobs";
#address-cells = <1>;
images {
kernel@1 {
data = /incbin/("test-kernel.bin");
type = "kernel_noload";
arch = "sandbox";
os = "linux";
compression = "none";
load = <0x4>;
entry = <0x8>;
kernel-version = <1>;
signature@1 {
algo = "sha1,rsa2048";
key-name-hint = "dev";
};
};
fdt@1 {
description = "snow";
data = /incbin/("sandbox-kernel.dtb");
type = "flat_dt";
arch = "sandbox";
compression = "none";
fdt-version = <1>;
signature@1 {
algo = "sha1,rsa2048";
key-name-hint = "dev";
};
};
};
configurations {
default = "conf@1";
conf@1 {
kernel = "kernel@1";
fdt = "fdt@1";
};
};
};